From 5c1676dfe6d2f3c837a5e074117b45613fd29a72 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:30:19 +0200 Subject: Adding upstream version 2.10.34. Signed-off-by: Daniel Baumann --- app/core/gimpitem-preview.c | 133 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 133 insertions(+) create mode 100644 app/core/gimpitem-preview.c (limited to 'app/core/gimpitem-preview.c') diff --git a/app/core/gimpitem-preview.c b/app/core/gimpitem-preview.c new file mode 100644 index 0000000..f24017b --- /dev/null +++ b/app/core/gimpitem-preview.c @@ -0,0 +1,133 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#include "config.h" + +#include + +#include +#include + +#include "libgimpmath/gimpmath.h" + +#include "core-types.h" + +#include "config/gimpcoreconfig.h" + +#include "gimp.h" +#include "gimpimage.h" +#include "gimpitem.h" +#include "gimpitem-preview.h" + + +/* public functions */ + +void +gimp_item_get_preview_size (GimpViewable *viewable, + gint size, + gboolean is_popup, + gboolean dot_for_dot, + gint *width, + gint *height) +{ + GimpItem *item = GIMP_ITEM (viewable); + GimpImage *image = gimp_item_get_image (item); + + if (image && ! image->gimp->config->layer_previews && ! is_popup) + { + *width = size; + *height = size; + return; + } + + if (image && ! is_popup) + { + gdouble xres; + gdouble yres; + + gimp_image_get_resolution (image, &xres, &yres); + + gimp_viewable_calc_preview_size (gimp_image_get_width (image), + gimp_image_get_height (image), + size, + size, + dot_for_dot, + xres, + yres, + width, + height, + NULL); + } + else + { + gimp_viewable_calc_preview_size (gimp_item_get_width (item), + gimp_item_get_height (item), + size, + size, + dot_for_dot, 1.0, 1.0, + width, + height, + NULL); + } +} + +gboolean +gimp_item_get_popup_size (GimpViewable *viewable, + gint width, + gint height, + gboolean dot_for_dot, + gint *popup_width, + gint *popup_height) +{ + GimpItem *item = GIMP_ITEM (viewable); + GimpImage *image = gimp_item_get_image (item); + + if (image && ! image->gimp->config->layer_previews) + return FALSE; + + if (gimp_item_get_width (item) > width || + gimp_item_get_height (item) > height) + { + gboolean scaling_up; + gdouble xres = 1.0; + gdouble yres = 1.0; + + if (image) + gimp_image_get_resolution (image, &xres, &yres); + + gimp_viewable_calc_preview_size (gimp_item_get_width (item), + gimp_item_get_height (item), + width * 2, + height * 2, + dot_for_dot, + xres, + yres, + popup_width, + popup_height, + &scaling_up); + + if (scaling_up) + { + *popup_width = gimp_item_get_width (item); + *popup_height = gimp_item_get_height (item); + } + + return TRUE; + } + + return FALSE; +} -- cgit v1.2.3